GCSE ICT OCR
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41 topics in 8 modules
☑️ Hardware and Software 8 topics
- Hardware components
- Software applications
- Binary Representation
- Data storage and memory
- Operating systems
- Utility programs
- Communication applications
- Local and Wide Area Networks (LAN and WAN)
☑️ Information and Data 6 topics
- Types and sources of information
- Quality of information
- Identification and selection of information
- Legal and ethical aspects of using information
- Health and safety issues
- Environmental and sustainability considerations
☑️ Data handling 4 topics
- Understanding databases
- Querying a database
- Creating reports
- Database design and creation
☑️ Modelling 4 topics
- Business modelling applications
- Spreadsheets basics
- Advanced spreadsheet skills
- Spreadsheet design and creation
☑️ Communication 4 topics
- Email systems
- Network systems
- Communication protocols
- Social networking
☑️ Multimedia and web development 5 topics
- Desktop publishing (DTP)
- Image manipulation
- Video and audio editing
- Web design basics
- Advanced web design skills
☑️ Home and Personal Use 5 topics
- Software for home use
- Hardware for home use
- Internet for home and personal use
- Communicating and sharing in a digital world
- Entertainment and leisure
☑️ Work and Employment 5 topics
- The digital workplace
- Software for business use
- Hardware for business use
- Professional communication
- Digital commerce
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GCSE ICT OCR Revision Content
Take a look at the written content available for this course. Practice-question availability may vary.
GCSE ICT OCR - Hardware and Software - Hardware components Content Preview
Hardware and Software
Hardware components
Hardware Components
Hardware components refer to the physical parts of a computer system that you can touch and see. Here are some key pieces of hardware and their functions:
Input Devices
- Keyboard: Used to input data into the computer, such as typing an email or browsing the internet.
- Mouse: Helps to navigate around the screen, click on items, and execute commands.
- Touch Screen: A display that also acts as an input device, allowing users to interact directly with what is displayed by touching the screen.
- Microphone: Used to record sound or communicate with others live.
Processing Devices
- CPU (Central Processing Unit): Often called the 'brain' of the computer, the CPU carries out most of the processing inside the computer.
- RAM (Random Access Memory): Temporary storage used by the computer to store data that is being used or processed.
- Motherboard: The main circuit board of the computer where all hardware components are connected, allowing them to communicate with each other.
Output Devices
- Monitor: Displays visual output from the computer including text, images, and videos.
- Speakers: Produce audio output from the computer such as music or spoken words.
- Printer: Creates a hard copy of digital documents, images, or designs.
Storage Devices
- Hard disk drive (HDD): A device that permanently stores and retrieves information, used to store most of your files and applications.
- Solid state drive (SSD): Similar to a hard drive, but without any moving parts and much faster.
- Optical drives (CD/DVD): Used to read and write data from and to a CD or DVD.
It is important to recognise how these components interact with each other, as well as their individual importance, to better understand how a computer operates. With this knowledge, you can also more effectively troubleshoot and resolve hardware-related issues.
Question: What is the function of the CPU in a computer system?
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